Inventories, Net (Tables)

9 Months Ended

Oct. 31, 2011

Inventories, Net [Abstract]

Schedule Of Inventories

	October 31, 2011			January 31, 2011
	(In thousands)
Raw materials	$	47,360		$	51,783
Work in process		23,472			30,986
Finished goods		8,116			10,252
Total inventories		78,948			93,021
Less: reserves for excess and obsolete inventories		(25,065	)		(26,409	)
Inventories, net	$	53,883		$	66,612